我有一个 Controller 。
public sealed class AccountsController : BaseApiController
{
private readonly IDatabaseAdapter _databaseAdapter;
public AccountsController(IDatabaseAdapter databaseAdapter)
{
_databaseAdapter = databaseAdapter;
}
[AllowAnonymous]
[Route("create")]
public async Task<IHttpActionResult> CreateUser(CreateUserBindingModel createUserModel)
{
if (!ModelState.IsValid)
return BadRequest(ModelState);
if (! await _databaseAdapter.DoesAgentExist(createUserModel.UserName))
return BadRequest();
if (await _databaseAdapter.DoesAgentHaveAccount(createUserModel.UserName))
return BadRequest();
// Create account.
var password = PasswordHelper.GeneratePassword(32);
createUserModel.Password = password;
createUserModel.ConfirmPassword = password;
var user = new ApplicationUser
{
UserName = createUserModel.UserName,
};
var addUserResult = await AppUserManager.CreateAsync(user, createUserModel.Password);
if (!addUserResult.Succeeded)
return GetErrorResult(addUserResult);
var locationHeader = new Uri(Url.Link("GetUserById", new { id = user.Id }));
return Created(locationHeader, ModelFactory.Create(user));
}
}
当我将以下 fiddler 发送到创建方法时。
http://localhost:59430/api/accounts/create User-Agent: Fiddler
Content-Type: application/json Accept: application/json Host: localhost:59430 Content-Length: 106
{ "UserName":"a.xxxxx", "Password":"xxxxxx", "ConfirmPassword":"xxxxxx", }
它归结为以下行:
var addUserResult = await AppUserManager.CreateAsync(user, createUserModel.Password);
然后出现如下异常
{ "message": "An error has occurred.", "exceptionMessage": "Method not found: 'System.Net.Http.HttpRequestMessage System.Web.Http.ApiController.get_Request()'.", "exceptionType": "System.MissingMethodException", "stackTrace": " at WebAuth.Controllers.BaseApiController.get_AppUserManager()\r\n at WebAuth.Controllers.AccountsController.d__3.MoveNext() in C:\Users\stuarts\Documents\Visual Studio 2017\Projects\WebAuth\WebAuth\Controllers\AccountsController.cs:line 76\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Threading.Tasks.TaskHelpersExtensions.d__3`1.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Web.Http.Controllers.ApiControllerActionInvoker.d__0.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Web.Http.Controllers.ActionFilterResult.d__2.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n at System.Web.Http.Dispatcher.HttpControllerDispatcher.d__1.MoveNext()" }
有人知道这是怎么回事吗?我不知道为什么它找不到那个方法。
我的 bin 文件夹包含
系统.Web.Http.dll 系统.Web.Http.Owin.dll 系统.Net.Http.dll
应用程序用户管理器
public sealed class ApplicationUserManager : UserManager<ApplicationUser>
{
public ApplicationUserManager(IUserStore<ApplicationUser> store) : base(store)
{
}
public static ApplicationUserManager Create(IdentityFactoryOptions<ApplicationUserManager> options,
IOwinContext context)
{
var appDbContext = context.Get<ApplicationDbContext>();
var appUserManager = new ApplicationUserManager(new UserStore<ApplicationUser>(appDbContext));
appUserManager.UserValidator = new UserValidator<ApplicationUser>(appUserManager)
{
AllowOnlyAlphanumericUserNames = true,
RequireUniqueEmail = false,
};
appUserManager.PasswordValidator = new PasswordValidator
{
RequiredLength = 12,
RequireNonLetterOrDigit = true,
RequireUppercase = true,
RequireLowercase = true,
RequireDigit = true
};
appUserManager.MaxFailedAccessAttemptsBeforeLockout = 3;
appUserManager.DefaultAccountLockoutTimeSpan = TimeSpan.FromHours(1);
return appUserManager;
}
}
基础API Controller
public class BaseApiController : ApiController
{
private ModelFactory _modelFactory;
private readonly ApplicationUserManager _applicationUserManager = null;
protected ApplicationUserManager AppUserManager => _applicationUserManager ?? Request.GetOwinContext().GetUserManager<ApplicationUserManager>();
protected ModelFactory ModelFactory => _modelFactory ?? (_modelFactory = new ModelFactory(Request, AppUserManager));
protected IHttpActionResult GetErrorResult(IdentityResult result)
{
if (result == null)
return InternalServerError();
if (result.Succeeded) return null;
if (result.Errors != null)
foreach (var error in result.Errors)
ModelState.AddModelError(string.Empty, error);
if (ModelState.IsValid)
return BadRequest();
return BadRequest(ModelState);
}
private readonly ApplicationRoleManager _appRoleManager = null;
protected ApplicationRoleManager AppRoleManager => _appRoleManager ?? Request.GetOwinContext().GetUserManager<ApplicationRoleManager>();
}
最佳答案
我找到了解决办法。
当我构建时,输出窗口中有构建警告,但没有显示在主错误/警告窗口中。
他们要处理程序集冲突并建议将程序集重定向放在 web.Config 中。
一旦我完成所有这些(大约 80 个),它现在就可以工作了。
例如
<dependentAssembly>
<assemblyIdentity name="System.Net.Http" culture="neutral" publicKeyToken="b03f5f7f11d50a3a" />
<bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" />
</dependentAssembly>
关于c# - System.Web.Http.ApiController.get_Request() 中缺少方法,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46451247/